152k views
5 votes
About 5% of the population has a particular genetic mutation. 400 people are randomly selected. Find the standard deviation for the number of people with the genetic mutation in groups of 400.

User Gastove
by
6.9k points

1 Answer

4 votes

Answer:

20

Explanation:

(5/100) * (400/1)

cancel the zeros

4 * 5= 20

User JaffaKetchup
by
6.9k points